Spread the video materials of the Zhike ASP.NET intermediate series

In the previous video tutorial, we introduced the basic tutorial of ASP.NET. Today I will introduce to you the "Spread Zhike ASP.NET Intermediate Series Video Tutorial". ASP.NET is an enterprise Web application development technology platform led by Microsoft. It is currently the One of the most popular web development technologies, it can develop a variety of functionally complex websites.

Video playback address: http://www.php.cn/course/626.html

The difficulty in learning is HttpHandler ：

What is IHttpHandler

IHttpHandler defines some system conventions that must be implemented if you want to implement the processing of an HTTP request. HttpHandler is different from HttpModule. Once you define your own HttpHandler class, its relationship with the system's HttpHandler will be an "override" relationship.

How IHttpHandler handles HTTP requests

When an HTTP request is passed to the HttpHandler container through the HttpModule container, the ASP.NET Framework will call the ProcessRequest member method of HttpHandler. Perform actual processing on this HTTP request. Take an ASPX page as an example. It is here that an ASPX page is processed and parsed by the system, and the processed results are passed on through the HttpModule until they reach the client.

For ASPX pages, the ASP.NET Framework hands it over to the System.Web.UI.PageHandlerFactory HttpHandlerFactory by default. The so-called HttpHandlerFactory, the so-called HttpHandlerFactory, means that when an HTTP request reaches the HttpHandler Factory, the HttpHandlerFactory will provide an HttpHandler container, which will be handed over to the HttpHandler container to process the HTTP request.

An HTTP request is ultimately handed over to the ProcessRequest method in an HttpHandler container for processing.

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